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A.1 VPX Connector Pin Assignments
The 6U VPX backplane specification requires all backplane slots to have three
guide pins: one above the P0 connector, one below the P2 connector, and one
below the P6 connector. In addition to providing correct alignment, these pins are
keyed to prevent cards being inserted into incorrect backplane slot(s) to avoid
electrical incompatibility.
The SBC622 board contains P0, P1, P2, P3, P4, P5 and P6 connectors per VITA 46.0,
plus several connectors on the front panel. This appendix provides the contact
signal assignments for these connectors. It also displays the signals for J0, J1, J2, J3,
J4, J5, and J6 of the backplane pinouts when the SBC622 is plugged in.
The power, ground, and signal assignments on the backplane connectors are
defined by a combination of the following specifications: OpenVPX, VITA 46.0,
VITA 46.4, VITA 46.6, and VITA 46.9. The following tables shows these signal
assignments and pin fields for these connections.
The VPX Connector table pin field assignments are structured according to the
following color legend:
Color Legend for VPX Pin Assignments
Color
Assignments
Bright Yellow
5.0 V; Control Plane (UTP)
Pale Yellow
Control Plane (TP)
Orange
12.0 V
Lime
Channel 1; DVI
Forest Green
GA - Geographic Address
Gold
Channel 0
Light Blue
x16 PCIe
Lavender
PMC/XMC Sites
Light Green
Serial Ports (COM1) (COM2); Audio Speaker; VGA
Purple
GPIOs.
Pink
USB Ports
Aqua
SATA
Dark Gray
Ground
Figure A-2 VPX Connector
Appendix A: Connectors and Pinouts 68
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